YKYJJY

UID: 10811, 注册于 2026-9-14 13:40:52, 最后登录于 2026-9-15 23:06:26, 最后活动于 2026-9-15 23:05:14.

解决了 0 道题目，RP: 0 (No. ?)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
最近活动

This person is lazy and didn't join any contests or homework.
最近编写的题解

This person is lazy and didn't write any solutions.